package thinkingJava.chapter17;

public class Groundhog2 extends Groundhog {

	public Groundhog2(int n) {
		super(n);
	}
	@Override
	public int hashCode() {
		return number;
	}
	@Override
	public boolean equals(Object obj) {
		return obj instanceof Groundhog2 &&
			(((Groundhog2)obj).number == number);
	}

}
